Selecting A Site For A Septic System’s Drainage Field

Are you building a new home and installing a septic system, or maybe making a switch from municipal sewer to a private septic system? Congratulations – you’ve already made an environmentally friendly choice to tackle waste disposal!

Private septic systems are becoming more popular across the country, even in areas where connecting to a sewer system is readily available. This is because it’s a more reliable and efficient way to go for many homeowners. A number of major cities have issues with existing sewer systems, due to the age of the system, and a growing increase in use. So switching to a private septic system is an easy way to help alleviate what is becoming a nationwide problem.

In addition, unlike sewer systems, a private septic tank and system is better for the environment when it comes to filtration and waste disposal. Septic tanks go through several steps to filter all the waste that comes from your home, before releasing it into your environment. This even boosts the overall health of your landscape. And during this final step in the process, the waste is released into a drain or drainage field.

You’ll notice when you are first installing your new septic system that you have a lot of decisions to make, such as the type of tank, tank size, and the location of your system. And when it comes to these decisions, one of the most important is where you will place your drain field.

There are a few things to think about when selecting where to place your drain field, and your tank. So before you start installation, make sure you keep these considerations in mind when it comes to drain field placement. This will ensure that your septic system will function beautifully in the months and years to come.


Preparing for Septic System and Drainage Placement

County, city, and local regulations

Chances are that your local government has a few rules when it comes to the placement of your drain field.

For example, your drain field may need to be a certain number of feet away from your primary home structure, and your property’s borders. Your contractor installing the septic tank should be able to provide insight on any local regulations that may apply. And you can also reach out to your local planning department for more info.



The soil of your drain field site will have a lot to do with how well the waste water is able to flow through from your tank to your property.

Essentially, you’ll want to look for consistency. The earth should be coarse enough for water to filter through, but also fine enough for filtering. Watch for areas in the yard that have hard-packed clay, which can contaminate the water. Also check for places that have too much gravel, which will cause the waste to pass through too quickly.

A happy medium between the two types is your best bet.



It’s also important to find an area of your yard with little to no slope, especially if you’re in an area of the country that is prone to heavy rainfall and flash flooding.

If there is a drastic change in elevation, it’s possible that runoff from heavy rainfall will damage or flood the drain field. So be sure and find a flat surface that’s in line with the elevation of the rest of your property.


Trees and landscaping

Tree roots can cause big problems when it comes to your septic system’s plumbing, and ability to filter properly. So make sure you choose a spot free of massive trees and root systems.

Remember that a drain field cannot have anything heavy or substantial placed on top of it. Keep this in mind if you are planning future landscaping projects in your yard.



Installing and maintaining your septic system – including your drain field – may require special equipment for excavation. So make sure the site is easy to access for your contractor. By ensuring ready access the site, future repairs or maintenance projects will also be much easier.


A septic system is a green initiative when it comes to waste disposal that can readily work anywhere in the country, provided you do your homework. Choose your tank and drain field site carefully, and you’ll enjoy plenty of stress-free use in the years to come.

Have more questions about our septic tanks or other liquid storage tanks? Contact us here. We are happy to help!


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Selecting A Site For A Septic System's Drainage Field
Installing a new septic system? Read on to discover the considerations to keep in mind when choosing the site of your new septic system and drain field.

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